1. A car dealer wants to determine whether there is a difference in gas mileage between six car models. The ANOVA table for the data is given below. [Seorang pengusaha kereta ingin menentukan sama ada terdapat perbezaan perbatuan gas di antara 3 model kereta. Jadual ANOVA bagi data berkenaan seperti di bawah.] Source [Sumber] [Darjah kebebasan] Jumlah kuasa dua] [Min kuasa dua] Degress of freedom Sum of squares Mean square Treatment a 74 d. f [Rawatan] Error b e [Ralat] Total 35 195 [Jumlahl

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1. A car dealer wants to determine whether there is a difference in gas mileage
between six car models. The ANOVA table for the data is given below.
[Seorang pengusaha kereta ingin menentukan sama ada terdapat perbezaan
perbatuan gas di antara 3 model kereta. Jadual ANOVA bagi data berkenaan
seperti di bawah.]
Source
[Sumber] [Darjah kebebasan] [Jumlah kuasa dua] [Min kuasa dua]
Treatment
Degress of freedom
Sum of squares
Mean square
F
a
74
d
f
|[Rawatan]
Error
[Ralat]
Total
35
195
Jumlah]
(a) Complete the ANOVA table.
[Lengkapkan jadual ANOVA tersebut.]
(b) Write the hypotheses and determine whether there is a significant difference
between mean gas mileage by different car models at a = 0.05.
[Tulis hipotesis dan tentukan sama ada terdapat perbezaan yang signifikan
antara perbatuan purata gas oleh model kereta yang berbeza pada a = 0.05.]
%3D
Transcribed Image Text:1. A car dealer wants to determine whether there is a difference in gas mileage between six car models. The ANOVA table for the data is given below. [Seorang pengusaha kereta ingin menentukan sama ada terdapat perbezaan perbatuan gas di antara 3 model kereta. Jadual ANOVA bagi data berkenaan seperti di bawah.] Source [Sumber] [Darjah kebebasan] [Jumlah kuasa dua] [Min kuasa dua] Treatment Degress of freedom Sum of squares Mean square F a 74 d f |[Rawatan] Error [Ralat] Total 35 195 Jumlah] (a) Complete the ANOVA table. [Lengkapkan jadual ANOVA tersebut.] (b) Write the hypotheses and determine whether there is a significant difference between mean gas mileage by different car models at a = 0.05. [Tulis hipotesis dan tentukan sama ada terdapat perbezaan yang signifikan antara perbatuan purata gas oleh model kereta yang berbeza pada a = 0.05.] %3D
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